About HTTP Status Lookup
Stop searching for error codes. Our instant lookup provides detailed explanations for all standard HTTP status codes, including 1xx, 2xx, 3xx, 4xx, and 5xx series, with common causes and solutions for developers.
HTTP Status Lookup
Instant reference for all HTTP response status codes and their meanings.
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HTTP Status Lookup
Quick reference for response codes and their meanings.
Success#200
OK
The request has succeeded.
Success#201
Created
Request fulfilled, resulting in a new resource.
Redirection#301
Moved Permanently
URL has been moved to a new address.
Redirection#302
Found
URL is temporarily under a different address.
Client Error#400
Bad Request
Server cannot process request due to client error.
Client Error#401
Unauthorized
Authentication is required and has failed.
Client Error#403
Forbidden
The server understood but refuses to authorize.
Client Error#404
Not Found
The server cannot find the requested resource.
Client Error#429
Too Many Requests
User has sent too many requests in a given time.
Server Error#500
Internal Server Error
Generic error message for server-side failure.
Server Error#502
Bad Gateway
Server received an invalid response from upstream.
Server Error#503
Service Unavailable
Server is overloaded or down for maintenance.
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